I ususally use rsync this way:
> rsync -avn --delete-after SRC DEST && rsync -av --delete-after SRC
DEST && rsync -av --delete-after SRC DEST
1. -a does not imply any of the --delete* and you need it if you want
the repo cleanly transferred.
2. -n is a dry run, second run is the bulk one, third is final to check
if zero bytes has been transferred.
3. Read manual thoroughly on trailing / in SRC and DEST. You will get
lost, if you don't.
4. Optionally add -e SSH; I use SSH to do trasfers, unless transferring
locally.
5. Optionally add -z to compress, if transferring over a WAN link...
Radomir
Les Mikesell wrote:
> Andy Levy wrote:
>
>>> I need to move a Subversion repository from one host to another (A to B) and
>>> once that is complete, shutdown A and then rename B to A (to preserve the
>>> hostname, etc.). My first thought was to use svnadmin dump, transfer the
>>> file, and then load with –force-uuid, however, this was painfully slow and I
>>> got stopped by a checksum error on the load.
>>>
>>>
>>>
>>> My question is, can I just shutdown access to the repository (no clients
>>> reading/writing to it), and then rsync the repository over to the new
>>> machine? It’s a lot faster than dump/load and I can’t currently see why
>>> that won’t work just fine.
>>>
>> Use svnsync to make the new server a mirror of the old, then shut down
>> the old one. This way, people can keep committing to the old server &
>> the transactions will be replayed on the new one automatically (as
>> long as you set up svnsync in a post-commit hook), for minimal
>> downtime.
>>
>
> I'd expect rsync to work as long as long as the source is consistent and
> unchanged (and you might need a CPU type that is not wildly different at
> the target). And at least with fsfs you should be able to rsync with
> the source active to get the bulk of the data, then stop the service and
> rsync again to quickly pick up the final changes (not sure if that needs
> --delete or not). Theoretically, that should work with anything stored
> in a filesystem and it's what I normally do when moving other services,
> home directories, file stores, etc.
>
>
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Received on 2009-06-19 10:49:46 CEST